Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862071 | High speed circuit testing apparatus having plural test conditions | Kazuhiko Sato, Junji Nishiura | 1989-08-29 |
| 4847387 | Antibiotic compounds DC-92B and DC-92D | Hirofumi Nakano, Isami Takahashi, Fusao Tomita, Kozo Asano, Toru Yasuzawa +1 more | 1989-07-11 |